A newly developed, softer high-performance and versatile polyester string designed to offer more comfort while still generating extreme power, intense spin and bite. Tour Bite Soft takes advantage of a a newly developed softening chemical composition with the high-powered polyester monofilament fiber designed and shaped to generate maximum power while amplifying the spin and bite intensity of the ball. Specs: Composition: Co-Polyster Gauge: 17g/(1.20mm) Length: 40' Type: Monofilament Polyester Color: Light Silver Solinco Tennis String STBS-17